Home / 6,399.49-9,591.58-4,179.38

Finding the Fourth Proportional to 6,399.49, 9,591.58 and 4,179.38

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Solution

The fourth proportional to 6,399.49, 9,591.58 and 4,179.38 is: 6,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.49 : 9,591.58 = 4,179.38 : x
  2. Step 2: Convert to fraction form
    6,399.49/9,591.58 = 4,179.38/x
  3. Step 3: Cross multiply
    6,399.49x = 9,591.58 × 4,179.38
  4. Step 4: Simplify right side
    6,399.49x = 40,086,836.72
  5. Step 5: Solve for x
    x = 40,086,836.72/6,399.49
  6. Step 6: Final answer
    x = 6,264.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.